I.D. = Inner Diameter of Roller Shell: inside diameter is the most common identified dimension of a pellet roll shell and is always specified during the die selection.

O.D. = Overall Diameter of Roller Shell: The diameter of the pellet roll/shell

W = Width of Roller Shell

FDSP ring dies and roller shells are well sold all over the world, We can also make all kinds of pellet mill roller shells as per customers' drawing. We have every part you need to keep your equipment running smoothly.